Kusintha kwa Presbyopia
Lenseni yothandizila ndi njira yabwino kwa ife a zaka zoposa 40 ndikuyang'ana masomphenya ovuta. Pafupi ndi zaka 40, maso athu amayamba kukula . Presbyopia ndi mkhalidwe umene maso amalephera kuganizira bwino pa zinthu zakutali. Iyi ndi nthawi imene anthu ambiri amayamba kugula powerenga magalasi . Ena amaganiza kuti azivala magalasi a maso ochuluka, osakanikirana, kapena osasintha.
Zotsatirazi ndizochepa zomwe mungasankhe popanga makompyuta kwa anthu oposa 40.
Ma Lens ndi Mapulogalamu Owerenga
Ngati muvala magalasi owonana nawo kutali, ma magalasi owerengeka angathe kutsetsereka poyang'ana pafupi ndi zinthu komanso kuwerenga. Komabe, mungapeze zovuta kufikako magalasi anu owerenga pamene mukuvala malonda anu. Pambuyo pake, mwinamwake mumavala makalenseni apamtima chifukwa choyamba simukusangalala kuvala magalasi.
Njira imeneyi silingamveke yosangalatsa kwa inu, koma izi ndi njira yabwino kwambiri yopezera masomphenya oonekera patali, pakati kapena pafupi. Ma lens okhala nawo amauzidwa kuti athetseretu kutalika kwa masomphenya. Kenaka magalasi oyang'ana m'modzi, magalasi am'manja kapena masewera amodzi pafupi ndi magalasi amatha kuvala zinthu pafupi.
- ZOYENERA: Ngakhale kuti si njira yabwino kwambiri yowonetsera masomphenya, njirayi imapereka masomphenya omveka bwino komanso owopsa kwambiri pa ntchito iliyonse. Anthu omwe ali ndi ntchito zina zomwe zimafuna masomphenya enieni nthawi zambiri amachita bwino kuvala njira yowonetsera masomphenya. Ochita masewera amakonda kusangalala ndi njira imeneyi kuti awononge kutalika kwawo.
- CONS: Muyenera kuvala ndi kuchotsa magalasi anu owerenga nthawi iliyonse yomwe mukufuna kuwona patali. Ndipotu, nthawi zonse muzikhala ndi magalasi anu owerenga .
Monovision Contact Lenses
Mu monovision , lens limodzi lamakono likubvala masomphenya a kutali ndipo lina likuvala pafupi. Lens loyandikana ndi mtunda nthawi zambiri amadzala mu diso lalikulu .
Tonse tili ndi diso lalikulu lomwe timagwiritsa ntchito makamaka poyang'ana patali zinthu. Chotsatira chake, diso loyang'anitsitsa lomwe lili pafupi ndi diso lomwe silikulamuliridwa silikuwoneka kuti limakhala zovuta kuti musinthire njira iyi yowonetsera masomphenya .
- PROS: Ngakhale kuti zimveka zachilendo, odwala ambiri amatha kusintha mofulumira kusiyana ndi mitundu ina ya makina opangidwira. Masomphenya pafupi amayang'ana momveka bwino ndi monovision chifukwa diso lirilonse likugwirizana ndi mphamvu imodzi yosamalitsa masomphenya. Komanso, ngati mukulephera kupeza makina othandizira , dokotala wanu ali ndi zosankha zopanda malire, zipangizo ndi mawonekedwe chifukwa monovision ndi kusintha kwa mphamvu, osati mtundu wina wothandizana nawo .
- CONS: Anthu ena amawona mtunda wotsika pang'ono kapena kuyendetsa galimoto, makamaka usiku, ndi monovision. Kuzama kwa malingaliro kwachepetsanso pang'ono pamene akuvala monovision, zomwe zingakhale vuto lalikulu kwa anthu omwe amasangalala masewera, monga golf ndi tenisi. Ndiponso, oyendetsa piloti kapena osangalatsa sangathe kuvala monovision chifukwa zingayambitse gawo lina la masomphenya kukhala lotupa pang'ono.
Bipocal kapena Multifocal Lens Contact
Zilonda zamagetsi zamtundu wambiri zimayambitsa kupanga masomphenya ambiri, pomwe maso onse akukonzekera kutalika kwa masomphenya komanso pafupi ndi masomphenya.
Amagetsi a multifocal amapezeka m'mitundu yosiyanasiyana, kuphatikizapo gasi yotsimikizika , yosakanizidwa yolimba / yofewa, ndi ma lens omwe amawoneka ofewa nthawi zonse. Malingana ndi wopanga, onsewo amagwira ntchito mosiyana.
Zina mwazinyalalazi zimapangidwira ngati diso lalitali lamagetsi la maso la maso ndi kuyendayenda pa diso lanu. Mukayang'ana pansi kuti muwerenge, zimayenda pang'ono kuti mzere wanu ukhale wozungulira. Malonda ena amaonedwa ngati aspheric lens mapangidwe ndipo nthawi zambiri amayendayenda pa diso. Mapangidwe a aspheric amapanga pang'onopang'ono ndi kuwonjezereka bwino mphamvu kuchokera pakati pa phokoso la disolo.
Zina mwazilondazi zimakhala pafupi ndi masomphenya pakati pa lens ndi mphamvu ya mtunda pamtunda, kapena mosiyana. Makina awa amathandiza kwambiri ngati mzere wodabwitsa kwambiri ndipo nthawi zina amadalira kukula kwa ophunzira anu.
Malonda ena angakhale opangidwa mwakuya. Zojambulazo zimakhala ndi mphete zosiyana za kutali ndi pafupi ndi mphamvu. Izi ndizofanana ndi kukhala ndi malonda awiri, mtunda umodzi ndi umodzi pafupi, wathyoka pamodzi.
Zidzatenga nthawi kuti maso anu asinthe malingaliro othandizira. Patapita kanthawi, maso anu adzidziwitsa kusiyanitsa pakati pa zosiyana siyana, ndipo ayamba kugwiritsa ntchito mankhwala oyenera a mtunda woyenera.
- PROS: Lensiti zamtundu wa multifocal zimachepetsa kuchepa kwachangu, ngati nkomwe. Ngati mwakwanitsa bwino, simusowa kuvala magalasi pamaso anu opanikizana malonda chifukwa cha ntchito zanu zambiri za tsiku ndi tsiku.
- CONS: Odwala ena am'thumba amatha kudandaula chifukwa cha masomphenya olakwika pamene akuchita ntchito zina. Ngati kutalika kwawonekera kumveka bwino, ndiye kuti nthawi zina masomphenya amavutika. Ngati pafupi ndi masomphenya ndiwonekeratu, kutalika kapena masomphenya angakhale osachepera. Madokotala ochuluka a maso amafunsa odwala awo kuti awone ntchito yomwe ili yofunika kwambiri ndi yeniyeni kwa iwo ndipo cholinga chake ndi kupereka masomphenya abwino a ntchitoyo. Anthu ena amadandaula ndi mafano auzimu kapena kuwirikiza kwa mafano nthawi zina, kawirikawiri pamene akuvala ma multifocal oyamba nthawi yoyamba. Ngakhale kuti izi ndi mbali ya kusintha, zimapweteka anthu ena mpaka pamene sakuleka kuvala. Kusiyanitsa kukhudzidwa nthawi zina kumakhala kovuta povala ma multiensal lenses. Anthu ena adzatha kuwerenga mzere wa 20/20, koma kunena kuti iwo samawoneka "wakukwa."
Zimene Muyenera Kudziwa
Madokotala ena openyetsa maso amagwiritsa ntchito njirazi pamwambapa, malinga ndi zosowa za wodwalayo. Mankhwala opangidwira osowa pogwiritsa ntchito mankhwalawa amadalira pazinthu zambiri kuphatikizapo kusintha kwanu, moyo wanu, mankhwala anu komanso momwe thupi lanu limagwirira ntchito. Madokotala ndi ophthalmologists omwe amatha kulumikiza makalenseni amadziwa kuti mtundu umodzi wa lenti sizimagwira ntchito kwa aliyense. Ma lens okhala oyenerera kuti athetse vutolo amafunika sayansi pang'ono ndi luso laling'ono.
Chitsime:
Gupta, N, SA Naroo ndi JS Wolffsohn. "Kuyerekezera maonekedwe a lenti yothandizana ndi ma multifocal mpaka monovision." Optometry ndi Visual Science, Feb 2009.